The replacement method of general antifreeze is as follows
1. Loosen the screw of the drain pipe under the water tank. Be careful not to loosen it, lest it be too tight after the hot car is started.
2. Open the pressure sealing cover of the main water tank
3. Warm up the car until the water temperature is normal, about 5- 10 minutes. At this time, the thermostat should have been or is being opened, and the water circulation in the engine begins.
4. Loosen the drain screw of the water tank, start discharging antifreeze, pay attention to the water potential, and turn off the engine when the water potential decreases, because the water pump doesn't need to work at this time.
5. After the antifreeze is completely drained, tighten the drain screw and fill the main water tank with new antifreeze until the liquid level can be seen at the filler.
6. Cover and tighten the pressure seal cover, remove the auxiliary water tank and pour out the old antifreeze, and add new antifreeze to the upper limit of water level.
7, hot car, exhaust air, and then wait for cooling, observe the liquid level of auxiliary water tank, add antifreeze to the upper limit of water level.